diff --git a/1-js/05-data-types/11-json/article.md b/1-js/05-data-types/11-json/article.md
index a23bf583..174b2b7f 100644
--- a/1-js/05-data-types/11-json/article.md
+++ b/1-js/05-data-types/11-json/article.md
@@ -131,7 +131,7 @@ let meetup = {
   title: "Conference",
 *!*
   room: {
-    number: 123,
+    number: 23,
     participants: ["john", "ann"]
   }
 */!*